What tissue connects bone to bone
Ligament
What law states an object will stay at rest or in motion unless acted on by an external force.
Newton's First Law (Law of Inertia)
In basketball, why do defenders bend their knees?
To lower their centre of gravity.
What are the three components found in every lever system
axis, force and resistance
What is the ideal angle of release, when release and landing height are equal.
45 degrees
Name the TWO sections that make up the skeleton
Axial skeleton and Appendicular skeleton
What is is the equation linked to Newton's Second Law.
Force = Mass x Acceleration?
What happens to stability if friction decreases?
Stability decreases
What lever class is the most common in the human body and favours speed/range of motion over force.
Third-class lever
What movement is happening at the shoulder to raise your arms sideways to defend a player in netball?
abduction
What joint type is found at the shoulder and hip and allows for the greatest range of motion of any joint?
ball-and-socket joint
If mass increases but force stays the same, what happens to acceleration?
It decreases.
A football player wants to avoid being pushed over. Name two ways they can improve stability.
Lower centre of gravity, widen base of support, increase friction, increase mass.
What lever class has its axis positioned in the middle, between the force and the resistance.
first-class lever
During a bicep curl, the agonist muscle is?
bicep
Name the 2 main bones in the lower leg
Tibia and Fibula
What law states that, for every action, there is an equal and opposite reaction.
Newton’s Third Law
True or fale: If the line of gravity falls outside the base of support, you remain balanced.
False
A calf raise is an example of what lever class.
Second-class lever
Which muscle fibre would be recruited run a half marrathon?
slow-twitch
With a bicep curl, what is the Agonist and Antagonist
Agonist- Biceps
Antagonist Triceps
Give a sporting example of Newton's First Law.
Any suitable example, e.g., a soccer ball stays still until kicked.
Why does a rugby player lower their body before a tackle?
To lower their centre of gravity and increase stability.
In a bicep curl, name the component positioned in the middle of the lever arrangement.
Force
Identify the Class of Lever used in a volley ball hit: 1st, 2nd or 3rd Class
3rd-class lever